Home / 194,139.99-291,126.61-67,742.33

Finding the Fourth Proportional to 194,139.99, 291,126.61 and 67,742.33

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Solution

The fourth proportional to 194,139.99, 291,126.61 and 67,742.33 is: 101,584.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,139.99 : 291,126.61 = 67,742.33 : x
  2. Step 2: Convert to fraction form
    194,139.99/291,126.61 = 67,742.33/x
  3. Step 3: Cross multiply
    194,139.99x = 291,126.61 × 67,742.33
  4. Step 4: Simplify right side
    194,139.99x = 19,721,593,134.40
  5. Step 5: Solve for x
    x = 19,721,593,134.40/194,139.99
  6. Step 6: Final answer
    x = 101,584.39

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.